A young couple live under a café in Paris that, unknown to them, is owned by a brutal blackmailer. When he is murdered, they fall under suspicion. However, the husband's father, an amateur detective, believes in their innocence and sets out to find who really killed the blackmailer.
as Lucien Borell
as Max Levine
as Philip Borell
as Annette Lefevre
as Paul deLisle
as Margot
as Alexandre
as Inspector Brichot
as Tino
as Therese
as Minor Role
